Food or edible material: processes – compositions – and products – Processes – Treatment or preparation of farinaceous dough – batter – or...
Patent
1993-12-27
1995-05-23
Yeung, George
Food or edible material: processes, compositions, and products
Processes
Treatment or preparation of farinaceous dough, batter, or...
425343, 425394, 425409, 426512, A21C 1100, A23P 100
Patent
active
054179963
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a method and an apparatus for shaping flat dough members by an inward folding of outer portions thereof. Various bakery products, e g Danish `spandauers` are produced in just this manner, a stuffing being placed on a middle area of a dough plate, the opposed edge areas of which, seen in the respective main directions, are thereafter folded inwardly over the stuffing. The operation should preferably be terminated by a firm, local pressure against the inner corner areas of the dough plate as now folded inwardly.
Although the associated movements are relatively simple and can easily be accomplished by trained bakers, it has been found that the same movements are rather difficult to provoke mechanically. Usable machines have been provided, but they are complicated and expensive, and they are difficult to keep clean.
SUMMARY OF THE INVENTION
Mechanically it will be simple enough to effect a pure folding of a soft base plate, but in the present connection the foldings should not be sharp, but rather soft, having the character of a soft folding up and a subsequent soft folding in, such that the entire folding-over becomes voluminous.
The invention is based on a new type of movement control which is well suited, by simple means, to effect the foldings as here discussed, such that it is possible to provide relatively cheap and fast working machines for the relevant production.
The invention relies on a consistent utilization of rubber resilient means for providing the folding, viz. for one part a dough carrier plate having a base portion and a number of folding wings projecting therefrom and connected with the base portion through bendable, rubber resilient connector portions, and for another part--for each folding wing--a rubber resilient rod, which, from an outer end area of the folding wing, extends substantially vertically downwardly to a lower holding element for all the rubber rods, this element being upwardly displaceable relative to the said base portion, and each rubber rod at its opposite ends being in rigid connection the holding element and the underside of the folding wing, respectively. When the holding element and therewith the rubber rods are displaced upwardly relative to the base portion each of the folding wings will be forced to fold upwardly during bending of the said connector portions. These portions are willingly bendable without being noticeably stretchable, i.e. they will act as a `soft hinge`, which by the folding up of the associated folding wing, will cause the outer end of the folding wing to be forced horizontally inwardly towards the base portion, concurrently with the lifting movement.
Inasfar as the upper end of the rubber rod is rigidly connected with the under- or outer side of the folding wing the folding up of this wing will cause an inwardly directed bending of the upper end portion of the rubber rod, not only because the holding area is displaced also inwardly, but also because the end of the rubber rod via its rigid connection will seek to remain perpendicularly projecting from the plane of the folding wing. Thereby an extra bending effect will imposed on the rubber rod, because the folding wing, at the relevant joining area, will have changed not only its horizontal location, but also its angular position.
During the further course of the upward displacement of the rubber rods there will occur movements and conditions which are rather difficult to explain, whereby the rubber rods will well generally seek to push or pull the folding wings upwardly, though at the same time influencing these portions to a further upwardly and inwardly directed pivoting and even to a final downwardly directed pivoting, by the final phase of which it is possible to exert a marked downwardly directed pressure on the outer end of the folded wing portion, while at the same time the wing portion is affected to be resiliently lifted from the base plate; by the latter action the said bendable connector portion is held stretched verticall
REFERENCES:
patent: 2458338 (1949-01-01), Buechek
patent: 3653337 (1972-04-01), Hanson
Form & Frys Maskinteknik ApS
Yeung George
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